Shippingport LWBR (Th/U Oxide) Fuel Characteristics for Disposal Criticality Analysis
Department of Energy (DOE)-owned spent nuclear fuels encompass many fuel types. In an effort to facilitate criticality analysis for these various fuel types, they were categorized into eight characteristic fuel groups with emphasis on fuel matrix composition. Out of each fuel group, a representative fuel type was chosen for analysis as a bounding case within that fuel group. Generally, burnup data, fissile enrichments, and total fuel and fissile mass govern the selection of the representative or candidate fuel within that group. The Shippingport Light Water Breeder Reactor (LWBR) fuels incorporate more of the conventional materials (zirconium cladding/heavy metal oxides) and fabrication details (rods and spacers) that make them comparable to a typical commercial fuel assembly. The LWBR seed/blanket configuration tested a light-water breeder concept with Th-232/U-233 binary fuel matrix. Reactor design used several assembly configurations at different locations within the same core . The seed assemblies contain the greatest fissile mass per (displaced) unit volume, but the blanket assemblies actually contain more fissile mass in a larger volume; the atom-densities are comparable.
- Research Organization:
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE Office of Environmental Management (EM) (US)
- DOE Contract Number:
- AC07-94ID13223
- OSTI ID:
- 769053
- Report Number(s):
- DOE/SNF/REP-051; TRN: US0303008
- Resource Relation:
- Other Information: PBD: 1 Sep 1999
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
BREEDER REACTORS
BURNUP
CONFIGURATION
CRITICALITY
DESIGN
FABRICATION
NUCLEAR FUELS
OXIDES
SEEDS
SPACERS
WATER
ZIRCONIUM
SPENT FUELS
SPENT NUCLEAR FUEL
CRITICALITY ANALYSIS
FUEL MATRIX
BURNUP DATA
FISSILE ENRICHMENTS
TOTAL MASS
LIGHT WATER BREEDER REACTOR
SEED/BLANKET
BREEDER